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Issue: Vol. 684 No. 1: 5 Feb. 2025
Type: Article
Published: 2025-02-05
DOI: 10.11646/phytotaxa.684.1.2
Page range: 33-54
Abstract views: 159
PDF downloaded: 10

An overview of the genus Osmanthus (Oleaceae) in Vietnam, with two new records and lectotypifications

Hung Vuong University, Nong Trang Ward, 290000 Viet Tri City, Phu Tho Province, Vietnam
Hung Vuong University, Nong Trang Ward, 290000 Viet Tri City, Phu Tho Province, Vietnam
Department of Botany, Institute of Ecology and Biological Resources, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet Road, Cau Giay, 10072 Hanoi, Vietnam. Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet Road, Cau Giay, 10072 Hanoi, Vietnam.
Komarov Botanical Institute of the Russian Academy of Sciences, 2 Prof. Popov street, 197376 St. Petersburg, Russia
Department of Higher Plants, Biological Faculty, M.V. Lomonosov Moscow State University, 1, 12, Leninskie Gory, 119234 Moscow, Russia. Joint Russian-Vietnamese Tropical Scientific and Technological Center, 63 Nguyen Van Huyen street, Cau Giay, 122000 Hanoi, Vietnam.
Department of Evolutionary Biochemistry, A.N. Belozersky Institute of Physico-Chemical Biology, M.V. Lomonosov Moscow State University, 1-40, Leninskie Gory, 119234 Moscow, Russia
Botanical Museum, Finnish Museum of Natural History, PO Box 7, FI-00014 University of Helsinki, Helsinki, Finland
Department of Higher Plants, Biological Faculty, M.V. Lomonosov Moscow State University, 1, 12, Leninskie Gory, 119234 Moscow, Russia. Joint Russian-Vietnamese Tropical Scientific and Technological Center, 63 Nguyen Van Huyen street, Cau Giay, 122000 Hanoi, Vietnam.
Lao Cai Province phylogeny plant diversity plant taxonomy sectional subdivision Thanh Hoa Province Eudicots

Abstract

An overview of the genus Osmanthus (Oleaceae) in Vietnam is provided. Four species are recognized, of which O. heterophyllus and O. yunnanensis are newly recorded for the country. Results of a molecular phylogenetic study are reported, and employed for clarification of the species idendity of the Vietnamese collections assigned to O. fragrans. In addition, uncertainties in phylogenetic relationships between the sections of Osmanthus are highlighted. For each species, taxonomic and nomenclatural notes are given, along with geographical distribution and analytical illustrations; accounts of the two newly recorded species are supplemented by morphological descriptions and notes on their ecology and phenology. Lectotypes are designated for three names currently treated within the genus Osmanthus. A key for identification of the Vietnamese species of Osmanthus is presented.

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How to Cite

DIEP, TRAN THI NGOC, HA THI THANH DOAN, BUI HONG QUANG, LEONID V. AVERYANOV, DMITRY F. LYSKOV, TAHIR H. SAMIGULLIN, ALEXANDER N. SENNIKOV, and MAXIM S. NURALIEV. 2025. “An Overview of the Genus <em>Osmanthus</Em> (Oleaceae) in Vietnam, With Two New Records and Lectotypifications”. Phytotaxa 684 (1):33-54. https://doi.org/10.11646/phytotaxa.684.1.2.